diff --git a/Makefile.am b/Makefile.am
index d1842cb..f9bb234 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -33,7 +33,8 @@
                                  $(PHOSPHOR_DBUS_INTERFACES_LIBS) \
                                  $(SDBUSPLUS_LIBS) \
                                  -lstdc++fs \
-                                 -lgpiodcxx
+                                 -lgpiodcxx \
+                                 -lpthread
 
 openpower_proc_control_CXXFLAGS = $(PHOSPHOR_LOGGING_CFLAGS) \
                                   $(PHOSPHOR_DBUS_INTERFACES_CFLAGS) \
diff --git a/procedures/p9/enter_mpreboot.cpp b/procedures/p9/enter_mpreboot.cpp
new file mode 100644
index 0000000..c8ead0c
--- /dev/null
+++ b/procedures/p9/enter_mpreboot.cpp
@@ -0,0 +1,76 @@
+/**
+ * Copyright (C) 2020 IBM Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <libpdbg.h>
+
+#include <phosphor-logging/log.hpp>
+#include <thread>
+#include <vector>
+
+namespace openpower
+{
+namespace p9
+{
+
+/**
+ * @brief Calls sbe_enter_mpipl on the SBE in the provided target.
+ * @return void
+ */
+void sbeEnterMpReboot(struct pdbg_target* tgt)
+{
+    using namespace phosphor::logging;
+    int error = 0;
+    if ((error = sbe_mpipl_enter(tgt)) < 0)
+    {
+        log<level::ERR>("Failed to initiate memory preserving reboot");
+        // TODO Create a PEL in the future for this failure case.
+        throw std::system_error(error, std::generic_category(),
+                                "Failed to initiate memory preserving reboot");
+    }
+}
+
+/**
+ * @brief initiate memory preserving reboot on each SBE.
+ * @return void
+ */
+void enterMpReboot()
+{
+    using namespace phosphor::logging;
+    struct pdbg_target* target;
+    std::vector<std::thread> threads;
+    pdbg_targets_init(NULL);
+
+    log<level::INFO>("Starting memory preserving reboot");
+    pdbg_for_each_class_target("pib", target)
+    {
+        if (pdbg_target_probe(target) != PDBG_TARGET_ENABLED)
+        {
+            continue;
+        }
+        std::thread t(sbeEnterMpReboot, target);
+        threads.push_back(std::move(t));
+    }
+
+    for (auto& t : threads)
+    {
+        t.join();
+    }
+}
+
+REGISTER_PROCEDURE("enterMpReboot", enterMpReboot);
+
+} // namespace p9
+} // namespace openpower
diff --git a/procedures/p9/start_host_mpreboot.cpp b/procedures/p9/start_host_mpreboot.cpp
new file mode 100644
index 0000000..192f6ca
--- /dev/null
+++ b/procedures/p9/start_host_mpreboot.cpp
@@ -0,0 +1,112 @@
+/**
+ * Copyright (C) 2020 IBM Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "cfam_access.hpp"
+#include "ext_interface.hpp"
+#include "p9_cfam.hpp"
+#include "registration.hpp"
+#include "targeting.hpp"
+
+#include <libpdbg.h>
+
+#include <phosphor-logging/log.hpp>
+namespace openpower
+{
+namespace p9
+{
+
+using namespace openpower::cfam::access;
+using namespace openpower::cfam::p9;
+using namespace openpower::targeting;
+
+/**
+ * @brief Continue with memory preserving reboot.
+ * @return void
+ */
+void startHostMpReboot()
+{
+    using namespace phosphor::logging;
+
+    Targeting targets;
+    const auto& master = *(targets.begin());
+
+    log<level::INFO>("Running P9 procedure startHostMpReboot",
+                     entry("NUM_PROCS=%d", targets.size()));
+
+    // Ensure asynchronous clock mode is set
+    writeReg(master, P9_LL_MODE_REG, 0x00000001);
+
+    // Clock mux select override
+    for (const auto& t : targets)
+    {
+        writeRegWithMask(t, P9_ROOT_CTRL8, 0x0000000C, 0x0000000C);
+    }
+
+    // Enable P9 checkstop to be reported to the BMC
+
+    // Setup FSI2PIB to report checkstop
+    writeReg(master, P9_FSI_A_SI1S, 0x20000000);
+
+    // Enable Xstop/ATTN interrupt
+    writeReg(master, P9_FSI2PIB_TRUE_MASK, 0x60000000);
+
+    // Arm it
+    writeReg(master, P9_FSI2PIB_INTERRUPT, 0xFFFFFFFF);
+
+    // Kick off the SBE to start the boot
+
+    // Choose seeprom side to boot from
+    cfam_data_t sbeSide = 0;
+    if (getBootCount() > 0)
+    {
+        sbeSide = 0;
+        log<level::INFO>("Setting SBE seeprom side to 0",
+                         entry("SBE_SIDE_SELECT=%d", 0));
+    }
+    else
+    {
+        sbeSide = 0x00004000;
+        log<level::INFO>("Setting SBE seeprom side to 1",
+                         entry("SBE_SIDE_SELECT=%d", 1));
+    }
+    // Bit 17 of the ctrl status reg indicates sbe seeprom boot side
+    // 0 -> Side 0, 1 -> Side 1
+    writeRegWithMask(master, P9_SBE_CTRL_STATUS, sbeSide, 0x00004000);
+
+    // Call enter mpipl
+    pdbg_targets_init(NULL);
+    struct pdbg_target* target;
+    pdbg_for_each_class_target("pib", target)
+    {
+        if (pdbg_target_probe(target) != PDBG_TARGET_ENABLED)
+        {
+            continue;
+        }
+
+        int error = 0;
+        if ((error = sbe_mpipl_continue(target)) < 0)
+        {
+            log<level::ERR>("Failed to execute sbe_mpipl_contiue");
+            throw std::system_error(error, std::generic_category(),
+                                    "Failed to continue with mp reboot");
+        }
+        break;
+    }
+}
+
+REGISTER_PROCEDURE("startHostMpReboot", startHostMpReboot);
+
+} // namespace p9
+} // namespace openpower